Join the City Nature Challenge with iNaturalist this weekend

The City Nature Challenge (CNC) is an annual four-day event where people around the world use iNaturalist to document the plants, animals, fungi, and other wildlife living in their cities and neighbourhoods.

2026 marks the 11th year of the CNC and London is one of the cities that is taking part, The CNC starts at 12:00 AM on Friday and ends at 11:59 PM Monday in local time.